Electric control valve installation and use of precautions

Newly designed and installed control system, in order to ensure that the regulating valve can work normally while driving and make the system run safely, the new valve should be checked whether the nameplate mark on the valve is consistent with the design requirement before installation. The following items should also be debugged. Basic error limit; full stroke deviation; backlash; dead zone; leakage (in demanding occasions). If the original system is overhauled control valve, in addition to the above-mentioned verification, but also the old valve should be stuffing box and connections and other parts of a tightness check. Regulating valve in the field of use, often not because of the quality of the control valve itself, but rather caused by the improper installation of the control valve, such as the installation environment, the installation location and direction of improper or unclear pipe and other causes. Therefore, the installation of electric control valve should pay attention to the following aspects: (1) The regulating valve is a field instrument, the ambient temperature should be -25 ~ 60 ℃, relative humidity ≤ 95%. If it is installed in open air or high temperature occasions, should take waterproof, cooling measures. In the place with the source to stay away from the vibration source or increase the anti-vibration measures. (2) The control valve should generally be installed vertically, under special circumstances can be tilted, such as a large tilt angle or the valve itself is too heavy when the valve should be increased support protection. (3) Generally, do not install the control valve pipe from the ground or the floor is too high, the pipe height is greater than 2m should be set as the platform, in order to facilitate the operation of the hand wheel and easy maintenance. (4) The control valve should be installed before cleaning the pipeline to remove dirt and welding slag. After installation, in order to ensure that no impurities remain in the valve body, the valve should also be cleaned again, that is, the medium should be opened so that all valves open to prevent impurities stuck. After using the hand wheel mechanism should be restored to the original neutral position. (5) In order to make the control valve in the event of failure or maintenance of the production process can continue, the control valve should be bypassed. At the same time should also pay special attention to the installation position of the valve is in line with the process requirements. (6) The electric part of the electric control valve should be installed according to the requirements of the electrical equipment construction. In the case of explosion-proof products, they should be installed in accordance with the "Installation Specification for Electrical Equipment in Explosion Hazardous Locations". Such as the scene wire SBH or other six-core or eight-core, outer diameter of about Φ11.3 mm rubber mounting cable. In the use of maintenance, in the explosive place is strictly prohibited open cover repair and blasting face pry. At the same time do not knock in the disassembly or scratch explosion-proof surface, after repair to restore the original flameproof state. (7) After the actuator reducer repair should pay attention to refueling lubrication, low-speed motor generally do not demolition and refueling. Assembly should also check the valve position and valve position opening instructions are consistent.

Folding Electric Mobility Scooters

Welcome to our product category dedicated to folding electric mobility scooters, the ultimate solution for individuals seeking convenience, portability, and freedom. At our company, we specialize in designing and manufacturing innovative medical devices, and our folding electric mobility scooters are specifically crafted to provide a compact and reliable means of transportation for individuals with limited mobility. With their advanced features and collapsible designs, our scooters offer unparalleled flexibility and ease of use.

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Ningbo Baichen Medical Devices CO.,ltd , https://www.bcscooter.com